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37 papers · 1 filter
21cmSense v2: A modular, open-source 21cm sensitivity calculator
Steven G. Murray, Jonathan Pober, Matthew Kolopanis
The 21cm line of neutral hydrogen is a powerful probe of the high-redshift universe (Cosmic Dawn and the Epoch of Reionization), with an unprecedented potential to inform us about…
Extracting the Global 21-cm signal from Cosmic Dawn and Epoch of Reionization in the presence of Foreground and Ionosphere
Anshuman Tripathi, Abhirup Datta, Madhurima Choudhury +1
Detection of redshifted \ion{H}{i} 21-cm emission is a potential probe for investigating the Universe's first billion years. However, given the significantly brighter foreground, d…
The Optical Depth of Foregrounds for the Highest Redshift 21 cm Signals
Daniya Seitova, Jonathan C. Pober
Foreground emission makes it difficult to detect the highly-redshifted cosmological 21 cm signal at any frequency. However, at low frequencies foregrounds are likely to become opti…
The and tensions necessitate early and late time changes to CDM
Steven J. Clark, Kyriakos Vattis, JiJi Fan +1
An only early or only late time alteration to CDM has been inadequate at resolving both the and tensions simultaneously; however, a combination of early and late tim…
Epoch of Reionization Power Spectrum Limits from Murchison Widefield Array Data Targeted at EoR1 Field
M. Rahimi, B. Pindor, J. L. B. Line +28
Current attempts to measure the 21cm Power Spectrum of neutral hydrogen during the Epoch of Reionization are limited by systematics which produce measured upper limits above both t…
Constraining the 21cm brightness temperature of the IGM at =6.6 around LAEs with the Murchison Widefield Array
Cathryn M. Trott, C. H. Jordan, J. L. B. Line +29
The locations of Ly- emitting galaxies (LAEs) at the end of the Epoch of Reionisation (EoR) are expected to correlate with regions of ionised hydrogen, traced by the redshifted…